Source : WordNet®

solidus
     n 1: a gold coin of the Byzantine Empire; widely circulated in
          Europe in the Middle Ages [syn: {bezant}, {bezzant}, {byzant}]
     2: a punctuation mark (/) used to separate related items of
        information [syn: {slash}, {virgule}, {diagonal}, {stroke},
         {separatrix}]
     [also: {solidi} (pl)]

solidi
     See {solidus}